roundworlduninstaller.exe

Round World

This is the installer/setup program for a Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application roundworlduninstaller.exe by Round World has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. This is a self-extracting archive and installer and has been known to bundle potentially unwanted software. The file has been seen being downloaded from install.myroundworld.com.
Publisher:
Round World  (signed and verified)

Version:
1.0.0.0

MD5:
9c727e3fe797fc0c70db01d2c5f91c7e

SHA-1:
1ed833938e6682a16a61109f32be26ca137eac7c

SHA-256:
10dcaf5e760225d9297efaca86034b51b7fb62f30a1ef8498a09f2b6c9d48041

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Belongs to the Sambreel/Yontoo progam that inserts various forms of advertising in the user's web browser, installed with minimal or no user consent.

Analysis date:
11/24/2024 1:10:23 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.RoundWor.Installer (M)
16.4.1.11

File size:
546.7 KB (559,856 bytes)

Product version:
1.0.0.0

Original file name:
Round World Uninstaller.exe

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\downloads\roundworlduninstaller.exe

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
1/11/2015 1:00:00 AM

Valid to:
1/12/2016 12:59:59 AM

Subject:
CN=Round World, O=Round World, L=San Diego, S=California, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
1E6F69E3F386155D988683D665483D02

File PE Metadata
Compilation timestamp:
4/13/2015 6:56:19 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
12288:NPzDmjSoMQMvozT3gg0+WlicpfhIvSD1N:jZvekQWllpfhiQ1N

Entry address:
0x86B09

Entry point:
FF, 25, 00, 20, 40, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Developed / compiled with:
Microsoft Visual C# / Basic .NET

Code size:
531 KB (543,744 bytes)

The file roundworlduninstaller.exe has been seen being distributed by the following URL.

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